The blade is made of nickel-plated Grover washers, the blade hardness is less than 65HRC and greater than 60HRC.
I carburized the blade, not shown in the video, and tempered at 250C, twice. The lock screw is made of a broken part. Has a similar pattern to the blade.
My original design was an integral support with a wooden handle, unfortunately, the blade broke off. Broken by me the wrong way. I will also try and learn new things.
I've actually tried three new projects in the past two months, only to fail. But I learned something new. Thanks for watching.

Thanks for watching！

High frequency induction heater https://gdtaiguan.en.alibaba.com/zh_C...

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